Home / 14,072.60-21,091.26-12,313.46

Finding the Fourth Proportional to 14,072.60, 21,091.26 and 12,313.46

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Solution

The fourth proportional to 14,072.60, 21,091.26 and 12,313.46 is: 18,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.60 : 21,091.26 = 12,313.46 : x
  2. Step 2: Convert to fraction form
    14,072.60/21,091.26 = 12,313.46/x
  3. Step 3: Cross multiply
    14,072.60x = 21,091.26 × 12,313.46
  4. Step 4: Simplify right side
    14,072.60x = 259,706,386.36
  5. Step 5: Solve for x
    x = 259,706,386.36/14,072.60
  6. Step 6: Final answer
    x = 18,454.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.